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/*
* Copyright (C) 2010 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef PlatformCALayer_h
#define PlatformCALayer_h
#if USE(ACCELERATED_COMPOSITING)
#include "GraphicsContext.h"
#include "PlatformCAAnimation.h"
#include "PlatformCALayerClient.h"
#include <QuartzCore/CABase.h>
#include <wtf/CurrentTime.h>
#include <wtf/HashMap.h>
#include <wtf/PassRefPtr.h>
#include <wtf/RefCounted.h>
#include <wtf/RetainPtr.h>
#include <wtf/Vector.h>
#include <wtf/text/StringHash.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
class PlatformCALayer;
typedef Vector<RefPtr<PlatformCALayer> > PlatformCALayerList;
class PlatformCALayer : public RefCounted<PlatformCALayer> {
public:
static CFTimeInterval currentTimeToMediaTime(double t) { return CACurrentMediaTime() + t - WTF::currentTime(); }
// LayerTypeRootLayer is used on some platforms. It has no backing store, so setNeedsDisplay
// should not call CACFLayerSetNeedsDisplay, but rather just notify the renderer that it
// has changed and should be re-rendered.
enum LayerType {
LayerTypeLayer,
LayerTypeWebLayer,
LayerTypeTransformLayer,
LayerTypeWebTiledLayer,
LayerTypeTileCacheLayer,
LayerTypeRootLayer,
LayerTypeCustom
};
enum FilterType { Linear, Nearest, Trilinear };
static PassRefPtr<PlatformCALayer> create(LayerType, PlatformCALayerClient*);
// This function passes the layer as a void* rather than a PlatformLayer because PlatformLayer
// is defined differently for Obj C and C++. This allows callers from both languages.
static PassRefPtr<PlatformCALayer> create(void* platformLayer, PlatformCALayerClient*);
~PlatformCALayer();
// This function passes the layer as a void* rather than a PlatformLayer because PlatformLayer
// is defined differently for Obj C and C++. This allows callers from both languages.
static PlatformCALayer* platformCALayer(void* platformLayer);
PlatformLayer* platformLayer() const;
PlatformCALayer* rootLayer() const;
// A list of sublayers that GraphicsLayerCA should maintain as the first sublayers.
const PlatformCALayerList* customSublayers() const { return m_customSublayers.get(); }
static bool isValueFunctionSupported();
PlatformCALayerClient* owner() const { return m_owner; }
void setOwner(PlatformCALayerClient*);
void animationStarted(CFTimeInterval beginTime);
void ensureAnimationsSubmitted();
// Layout support
void setNeedsLayout();
void setNeedsDisplay(const FloatRect* dirtyRect = 0);
// This tells the layer tree to commit changes and perform a render, without do a setNeedsDisplay on any layer.
void setNeedsCommit();
void setContentsChanged();
LayerType layerType() const { return m_layerType; }
PlatformCALayer* superlayer() const;
void removeFromSuperlayer();
void setSublayers(const PlatformCALayerList&);
void removeAllSublayers();
void appendSublayer(PlatformCALayer*);
void insertSublayer(PlatformCALayer*, size_t index);
void replaceSublayer(PlatformCALayer* reference, PlatformCALayer*);
size_t sublayerCount() const;
// This method removes the sublayers from the source and reparents them to the current layer.
// Any sublayers previously in the current layer are removed.
void adoptSublayers(PlatformCALayer* source);
void addAnimationForKey(const String& key, PlatformCAAnimation* animation);
void removeAnimationForKey(const String& key);
PassRefPtr<PlatformCAAnimation> animationForKey(const String& key);
PlatformCALayer* mask() const;
void setMask(PlatformCALayer*);
bool isOpaque() const;
void setOpaque(bool);
FloatRect bounds() const;
void setBounds(const FloatRect&);
FloatPoint3D position() const;
void setPosition(const FloatPoint3D&);
void setPosition(const FloatPoint& pos) { setPosition(FloatPoint3D(pos.x(), pos.y(), 0)); }
FloatPoint3D anchorPoint() const;
void setAnchorPoint(const FloatPoint3D&);
TransformationMatrix transform() const;
void setTransform(const TransformationMatrix&);
TransformationMatrix sublayerTransform() const;
void setSublayerTransform(const TransformationMatrix&);
TransformationMatrix contentsTransform() const;
void setContentsTransform(const TransformationMatrix&);
bool isHidden() const;
void setHidden(bool);
bool isGeometryFlipped() const;
void setGeometryFlipped(bool);
bool isDoubleSided() const;
void setDoubleSided(bool);
bool masksToBounds() const;
void setMasksToBounds(bool);
bool acceleratesDrawing() const;
void setAcceleratesDrawing(bool);
CFTypeRef contents() const;
void setContents(CFTypeRef);
FloatRect contentsRect() const;
void setContentsRect(const FloatRect&);
void setMinificationFilter(FilterType);
void setMagnificationFilter(FilterType);
Color backgroundColor() const;
void setBackgroundColor(const Color&);
float borderWidth() const;
void setBorderWidth(float);
Color borderColor() const;
void setBorderColor(const Color&);
float opacity() const;
void setOpacity(float);
#if ENABLE(CSS_FILTERS)
void setFilters(const FilterOperations&);
static bool filtersCanBeComposited(const FilterOperations&);
#endif
String name() const;
void setName(const String&);
FloatRect frame() const;
void setFrame(const FloatRect&);
float speed() const;
void setSpeed(float);
CFTimeInterval timeOffset() const;
void setTimeOffset(CFTimeInterval);
float contentsScale() const;
void setContentsScale(float);
TiledBacking* tiledBacking();
#if PLATFORM(WIN)
HashMap<String, RefPtr<PlatformCAAnimation> >& animations() { return m_animations; }
#endif
#if PLATFORM(WIN) && !defined(NDEBUG)
void printTree() const;
#endif
#if PLATFORM(MAC) && (PLATFORM(IOS) || __MAC_OS_X_VERSION_MIN_REQUIRED >= 1070)
void synchronouslyDisplayTilesInRect(const FloatRect&);
#endif
protected:
PlatformCALayer(LayerType, PlatformLayer*, PlatformCALayerClient*);
private:
PlatformCALayerClient* m_owner;
LayerType m_layerType;
OwnPtr<PlatformCALayerList> m_customSublayers;
#if PLATFORM(MAC) || PLATFORM(WIN)
RetainPtr<PlatformLayer> m_layer;
#endif
#if PLATFORM(WIN)
HashMap<String, RefPtr<PlatformCAAnimation> > m_animations;
#endif
#if PLATFORM(MAC)
#ifdef __OBJC__
RetainPtr<NSObject> m_delegate;
#else
RetainPtr<void> m_delegate;
#endif
#endif
};
}
#endif // USE(ACCELERATED_COMPOSITING)
#endif // PlatformCALayer_h
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